<template>
  <div class="dashboard-container">
    <div class="app-container">
      <!-- 靠右的按钮 -->
      <page-tools>
        <template v-slot:after>
          <el-button type="primary" size="small" @click="addPermission(1,'0')">添加权限</el-button>
        </template>
      </page-tools>
      <!-- 表格 -->
      <el-table
        v-loading="loading"
        border
        :data="list"
        row-key="id"
      >
        <el-table-column prop="name" label="名称" />
        <el-table-column prop="code" label="标识" />
        <el-table-column prop="description" label="描述" />
        <el-table-column label="操作">
          <template #default="{row}">
            <!-- {{ row.id }} -->
            <el-button v-if="row.type===1" type="text" @click="addPermission(2,row.id)">添加</el-button>
            <el-button type="text" @click="editPermission(row.id)">编辑</el-button>
            <el-button :disabled="!checkPermission('PERMISSION_DEL')" type="text" @click="delPermission(row.id)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 放置一个弹层，用来新增/编辑节点 -->
      <el-dialog :title="title" :visible="showDialog" @close="btnClose">
        <!-- 表单 -->
        <el-form ref="formData" label-width="120px" :model="formData" :rules="rules">
          <el-form-item label="权限名称" prop="name">
            <el-input v-model="formData.name" style="width:90%" />
          </el-form-item>
          <el-form-item label="权限标识" prop="code">
            <el-input v-model="formData.code" style="width:90%" />
          </el-form-item>
          <el-form-item label="权限描述">
            <el-input v-model="formData.description" style="width:90%" />
          </el-form-item>
          <el-form-item label="开启">
            <!-- 可以自定义开启或关闭的值 -->
            <el-switch v-model="formData.enVisible" active-value="1" inactive-value="0" />
          </el-form-item>
        </el-form>
        <el-row slot="footer" type="flex" justify="center">
          <el-col :span="6">
            <el-button size="small" type="primary" @click="btnOk">确定</el-button>
            <el-button size="small" @click="btnClose">取消</el-button>
          </el-col>
        </el-row>
      </el-dialog>
    </div>
  </div>
</template>

<script>
import { getPermissionList, addPermission, delPermission, getPermissionDetail, updatePermission } from '@/api/permissions'
import { transArray2Tree } from '@/utils/'

export default {
  name: 'Permissions',
  data() {
    return {
      list: [],
      showDialog: false,
      formData: {
        name: '', // 名称
        code: '', // 标识
        description: '', // 描述
        enVisible: '1', // 开启
        type: '', // 类型 该类型 不需要显示 因为点击添加的时候已经知道类型了
        pid: '' // 因为做的是树 需要知道添加到哪个节点下了
      },
      rules: {
        name: [{
          required: true,
          message: '权限名称不能为空',
          trigger: 'blur'
        }],
        code: [{
          required: true,
          message: '权限标识不能为空',
          trigger: 'blur'
        }]
      },
      loading: false
    }
  },
  computed: {
    title() {
      return this.formData.id ? '编辑权限点' : '新增权限点'
    }
  },
  created() {
    this.getPermissionList()
  },
  methods: {
    async getPermissionList() {
      this.loading = true

      this.list = transArray2Tree((await getPermissionList()).filter(item => item.type !== 3), '0')
      this.loading = false
    },
    addPermission(type, pid) {
      this.formData.type = type
      this.formData.pid = pid
      this.showDialog = true
    },
    btnOk() {
      this.$refs.formData.validate(async valid => {
        if (!valid) {
          this.$message.error('表单内容不符合规则, 请检查表单内容')
        }
        let info = '编辑成功'
        if (this.formData.id) {
          await updatePermission(this.formData)
        } else {
          await addPermission(this.formData)
          info = '添加成功'
        }
        this.showDialog = false
        this.getPermissionList()
        this.$message.success(info)
      })
    },
    btnClose() {
      this.showDialog = false
      this.$refs.formData.resetFields()
      this.formData = {
        name: '', // 名称
        code: '', // 标识
        description: '', // 描述
        enVisible: '1', // 开启
        type: '', // 类型 该类型 不需要显示 因为点击添加的时候已经知道类型了
        pid: '' // 因为做的是树 需要知道添加到哪个节点下了
      }
    },
    async delPermission(id) {
      try {
        await this.$confirm('您确认删除该权限点吗?')
        await delPermission(id)
        this.getPermissionList()
        this.$message.success('删除成功! ')
      } catch (e) {
        // ...
      }
    },
    async editPermission(id) {
      this.formData = await getPermissionDetail(id)
      this.showDialog = true
    }
  }
}
</script>

<style lang="scss" scoped>
::v-deep .el-loading-mask{
  z-index: 1999;
}
</style>
